<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style type="text/css">
        body{
            margin:0;padding: 0;background: #ddf5f7;
        }
        /*天空背景*/
        .stage{
            position: relative;
            height: 600px;background: #ddf5f7;
            animation: skyset 30s infinite linear  normal;
        }
        @-webkit-keyframes skyset{
            0% { background: #ddf5f7;}
            25% { background: #350847;}
            50% { background: #0f192c;}
            75% { background: #f9c7b8;}
            100% { background: #ddf5f7;}
        }
        /*气球*/
        .balloon{
            position: absolute;
            z-index: 3;
            top: 5%;
            background: url("images/balloon.png") no-repeat;
            width: 157px;
            height: 227px;
            animation: balloon 30s infinite linear  normal;
        }
        @-webkit-keyframes balloon{
            from{right: -157px;
                transform: rotate(0deg);}
            25%{right: 25%;
                transform: rotate(30deg);}
            50%{right: 60%;
                transform:rotate(60deg);}
            75%{right:75%;
                transform: rotate(30deg);}
            100%{ right: 100%;
                transform: rotate(0deg);}
        }
        /*-------- 云以及动画 --------*/
        .cloud {
            position: absolute;
        }
        .cloud.small {
            z-index: 1;
            top: 5%;
            left: 15%;
            background: url(images/cloudSmall.png) no-repeat no-repeat center;
            height: 50px;
            width: 89px;
            -webkit-animation: cloudSmall 150s infinite;
            -moz-animation: cloudSmall 150s infinite;
            -o-animation: cloudSmall 150s infinite;
            animation: cloudSmall 150s infinite;
        }
        .cloud.medium {
            z-index: 3;
            top: 25%;
            left: 30%;
            background: url(images/cloudMedium.png) no-repeat no-repeat center;
            height: 92px;
            width: 159px;
            -webkit-animation: cloudMedium 50s infinite;
            -moz-animation: cloudMedium 50s infinite;
            -o-animation: cloudMedium 50s infinite;
            animation: cloudMedium 50s infinite;
        }
        .cloud.large {
            z-index: 2;
            top: 5%;
            right: 15%;
            background: url(images/cloudLarge.png) no-repeat no-repeat center;
            height: 169px;
            width: 302px;
            -webkit-animation: cloudLarge 80s infinite;
            -moz-animation: cloudLarge 80s infinite;
            -o-animation: cloudLarge 80s infinite;
            animation: cloudLarge 80s infinite;
        }
        @-webkit-keyframes cloudSmall {
            0% {  left: -8%;  }
            100% {  left: 108%;  }
        }
        @keyframes cloudSmall {
            0% {  left: -5%;  }
            100% {  left: 105%;  }
        }
        @-webkit-keyframes cloudMedium {
            0% {  left: -8%;  }
            100% {  left: 108%;  }
        }
        @keyframes cloudMedium {
            0% {  left: -8%;  }
            100% {  left: 108%;  }
        }
        @-webkit-keyframes cloudLarge {
            0% {  right: -18%;  }
            100% {  right: 118%;  }
        }
        @keyframes cloudLarge {
            0% {  right: -18%;  }
            100% {  right: 118%;  }
        }
        /*城市场景图片*/
        .skyline{
            position: absolute;
            width: 100%;
            bottom: 26%;
            background:url(images/skyline.png) repeat no-repeat;
            height: 147px;
            z-index: 5;
        }
        .beans{
            position: absolute;
            z-index: 4;
            height: 201px;
            width: 88px;
            bottom: 30%;
            left: 50%;
            background: url("images/beans.png") no-repeat;
        }
        .ground {
            position: absolute;
            width: 100%;
            bottom: 0;
        }
        .ground.front {
            z-index: 30;
            background: url(images/groundFront.png) repeat no-repeat center;
            height: 301px;
        }
        .ground.mid {
            z-index: 20;
            background: url(images/groundMid.png) repeat no-repeat;
            height: 299px;
        }
        .ground.back {
            z-index: 10;
            background: url(images/groundBack.png) repeat no-repeat center;
            height: 281px;
        }
        .dowEventCenter {
            position: absolute;
            z-index: 12;
            bottom: 20%;
            left: 5%;
            background: url(images/dowEventCenter.png) no-repeat no-repeat center;
            height: 236px;
            width: 524px;
        }
        .planetarium {
            position: absolute;
            z-index: 12;
            bottom: 18%;
            right: 10%;
            background: url(images/Planetarium.png) no-repeat no-repeat center;
            height: 285px;
            width: 347px;
        }
        .friendshipShell {
            position: absolute;
            z-index: 21;
            bottom: 18%;
            left: 20%;
            background: url(images/friendshipShell.png) no-repeat no-repeat center;
            height: 370px;
            width: 231px;
        }
        .glockenspiel {
            position: absolute;
            z-index: 11;
            bottom: 26%;
            right: 50%;
            background: url(images/Glockenspiel.png) no-repeat no-repeat center;
            height: 263px;
            width: 137px;
        }
    </style>
</head>
<body>
<section>
    <div class="stage">
        <div class="nightOverlay"></div>
        <div class="skyline"></div>
        <div class="beans"></div>
        <div class="ground back"></div>
        <div class="ground mid"></div>
        <div class="ground front"></div>
        <div class="cloud large"></div>
        <div class="cloud small"></div>
        <div class="cloud medium"></div>
        <div class="balloon"></div>
        <div class="dowEventCenter"></div>
        <div class="planetarium"></div>
        <div class="friendshipShell"></div>
        <div class="glockenspiel"></div>
        <div class="rotation">
            <div class="sun"></div>
            <div class="moon"></div>
        </div>
    </div>
</section>
</body>
</html>